001/*
002  GRANITE DATA SERVICES
003  Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005  This file is part of Granite Data Services.
006
007  Granite Data Services is free software; you can redistribute it and/or modify
008  it under the terms of the GNU Library General Public License as published by
009  the Free Software Foundation; either version 2 of the License, or (at your
010  option) any later version.
011
012  Granite Data Services is distributed in the hope that it will be useful, but
013  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015  for more details.
016
017  You should have received a copy of the GNU Library General Public License
018  along with this library; if not, see <http://www.gnu.org/licenses/>.
019*/
020
021package org.granite.generator.util;
022
023import java.io.BufferedReader;
024import java.io.IOException;
025import java.io.StringReader;
026
027/**
028 * @author Franck WOLFF
029 */
030public abstract class SourceUtil {
031
032    public static String numberize(String source) {
033        
034        if (source == null)
035                return "(source code not available)";
036
037        StringBuilder sb = new StringBuilder(source.length());
038
039        try {
040            BufferedReader reader = new BufferedReader(new StringReader(source));
041            int i = 1;
042            String line = null;
043            while ((line = reader.readLine()) != null) {
044                sb.append(String.format("%4d | ", Integer.valueOf(i++)))
045                  .append(line)
046                  .append('\n');
047            }
048        } catch (IOException e) {
049            // never...
050        }
051
052        return sb.toString();
053    }
054}